U.S. Citizenship and Immigration Services (USCIS) Civics Practice Test

The Bill of Rights is the document that specifically guarantees the rights of citizens in the United States. Ratified in 1791, the Bill of Rights comprises the first ten amendments to the Constitution, detailing fundamental rights and freedoms assured to individuals. This includes protections such as the freedom of speech, the right to bear arms, and the right against unreasonable searches and seizures, among others.

The Constitution itself serves as the framework for the U.S. government and outlines the structure and powers of the government, but it does not explicitly enumerate the rights of individuals until the Bill of Rights was added. The Declaration of Independence, while a significant historical document, primarily serves to announce separation from Britain and does not function as a legal document that guarantees rights. The Articles of Confederation, which preceded the current Constitution, established a loose confederation of states but lacked a mechanism for protecting individual rights effectively. Therefore, the correct answer highlights the specific content of the Bill of Rights in ensuring citizen rights.